* [U-Boot] [PATCH] fat: FAT filesystem premature release of info struct.
@ 2019-08-20 20:18 Martin Vystrčil
2019-08-27 0:18 ` Tom Rini
0 siblings, 1 reply; 2+ messages in thread
From: Martin Vystrčil @ 2019-08-20 20:18 UTC (permalink / raw)
To: u-boot
File was found on specified location. Info about file was read,
but then immediately destroyed using 'free' call. As a result
file size was set to 0, hence fat process didn't read any data.
Premature 'free' call removed. Resources are freed right before
function return. File is read correctly.
Signed-off-by: Martin Vystrcil <martin.vystrcil@m-linux.cz>
---
fs/fat/fat.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index 06c8ed14..4a55219a 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -1173,11 +1173,6 @@ int file_fat_read_at(const char *filename, loff_t
pos, void *buffer,
/* For saving default max clustersize memory allocated to malloc
pool */
dir_entry *dentptr = itr->dent;
-
- free(itr);
-
- itr = NULL;
-
ret = get_contents(&fsdata, dentptr, pos, buffer, maxsize, actread);
out_free_both:
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [U-Boot] [PATCH] fat: FAT filesystem premature release of info struct.
2019-08-20 20:18 [U-Boot] [PATCH] fat: FAT filesystem premature release of info struct Martin Vystrčil
@ 2019-08-27 0:18 ` Tom Rini
0 siblings, 0 replies; 2+ messages in thread
From: Tom Rini @ 2019-08-27 0:18 UTC (permalink / raw)
To: u-boot
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On Tue, Aug 20, 2019 at 10:18:30PM +0200, Martin Vystrčil wrote:
> File was found on specified location. Info about file was read,
> but then immediately destroyed using 'free' call. As a result
> file size was set to 0, hence fat process didn't read any data.
>
> Premature 'free' call removed. Resources are freed right before
> function return. File is read correctly.
>
> Signed-off-by: Martin Vystrcil <martin.vystrcil@m-linux.cz>
Applied to u-boot/master, thanks!
--
Tom
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2019-08-20 20:18 [U-Boot] [PATCH] fat: FAT filesystem premature release of info struct Martin Vystrčil
2019-08-27 0:18 ` Tom Rini
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