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authorJiri Olsa <jolsa@kernel.org>2024-11-22 02:11:18 +0300
committerChristian Brauner <brauner@kernel.org>2024-11-22 14:08:43 +0300
commit088f294609d8f8816dc316681aef2eb61982e0da (patch)
treeef22c416de36c56d5b96a78c419a73466083fe63 /tools/perf/scripts/python/task-analyzer.py
parent3e5360167ac3bccdc032cdafa68d4904a8fa0c75 (diff)
downloadlinux-088f294609d8f8816dc316681aef2eb61982e0da.tar.xz
fs/proc/kcore.c: Clear ret value in read_kcore_iter after successful iov_iter_zero
If iov_iter_zero succeeds after failed copy_from_kernel_nofault, we need to reset the ret value to zero otherwise it will be returned as final return value of read_kcore_iter. This fixes objdump -d dump over /proc/kcore for me. Cc: stable@vger.kernel.org Cc: Alexander Gordeev <agordeev@linux.ibm.com> Fixes: 3d5854d75e31 ("fs/proc/kcore.c: allow translation of physical memory addresses") Signed-off-by: Jiri Olsa <jolsa@kernel.org> Link: https://lore.kernel.org/r/20241121231118.3212000-1-jolsa@kernel.org Acked-by: Alexander Gordeev <agordeev@linux.ibm.com> Signed-off-by: Christian Brauner <brauner@kernel.org>
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